/* 
 !function trans2dArray(arr) that accepts a two-dimensional array and returns a new version of the array with its columns and rows switched.
*/

function trans2dArray( arr ) {
  let result = [];
  for ( let col = 0; col < arr[ 0 ].length; col++ ) {
    let newRow = [];
    for ( let row = 0; row < arr.length; row++ ) {
      newRow.push( arr[ row ][ col ] )
    }
    result.push( newRow );
  }
  return result;
}



let increasingNums2dAry3X3 = [
  [ 1, 2, 3 ],
  [ 4, 5, 6 ],
  [ 7, 8, 9 ]
];
console.log( "increasingNums2dAry3X3", increasingNums2dAry3X2 )


let increasingNums2dAry3X2 = [
  [ 1, 2, 3 ],
  [ 4, 5, 6 ],
  [ 7, 8, 9 ]
];
console.log( "increasingNums2dAry3X2", increasingNums2dAry3X2 )
